Fartlek
n. [体]法特莱克训练法(一种加速跑与慢跑交替进行的中长跑训练方法)
🗣️ 情景例句
The best way to promote your products is through advertising.
推广产品最好的方法就是买广告。
Who is the auther of this biography?
谁是这篇传记的作者？
What are you talking about?
你在说什么？